# Cambridge OpenGov #COC-CIFB-FY25-30145AFSB

Longfellow School roof replacement, bathroom upgrades, and plumbing sub-bid

**Posted:** March 31, 2025
**Respond By:** April 10, 2025
**Identifier:** COC-CIFB-FY25-30145AFSB
**NAICS:** 238160, 238220

The City of Cambridge is seeking construction bids for Longfellow School roof replacement and bathroom upgrades, including a filed plumbing sub-bid.
- **Government buyer:** City of Cambridge, Purchasing / Awarding Authority, Cambridge, Massachusetts.
- **Project scope:** Replace approximately 26,845 sq. ft. of roofing and complete bathroom upgrades. Work includes roof drains and accessories, roof hatch and curb, gutter and downspouts, walkway pads, blocking repairs, plumbing fixtures, and coordination with existing building systems.
- **Roof system:** Fully adhered white 0.080-inch TPO over coverboard and two layers of 3-inch polyisocyanurate insulation; the existing built-up roof remains as a vapor barrier where specified.
- **Named OEMs/products:** **Lithonia** emergency battery unit (ELMLT981-LP-SD or equal); **LadderPort** roof-hatch handrail system or equal. No other roofing or plumbing manufacturers or part numbers are specified.
- **Named vendors and project participants:** Citywright and PJ Dionne Company, Inc. submitted plumbing sub-bid prices of $25,636 and $27,100, respectively. Johnson Roberts Associates prepared the project drawings.
- **Plumbing sub-bid:** One lump-sum line item for plumbing work; bathroom scope includes an accessible wall-mounted water closet and accessible lavatory with associated fittings and connections to existing services.
- **Notable requirements:** Cambridge MBE participation efforts target at least 10%; bid materials also call for workforce, prevailing-wage, safety-training, and responsible-employer certifications. The drawings include an allowance of 450 board feet for replacement of deteriorated roof blocking.

### Description

The City of Cambridge seeks bids for the Longfellow School Roof Replacement & Bathroom Upgrade in Cambridge, Massachusetts. The work includes replacing the existing rubber roof with a new TPO membrane roof and upgrading the bathroom; the bid package and drawings provide further specifications. This solicitation is for the filed plumbing sub-bid, with a lump-sum proposed contract price. Bids were due April 10, 2025, at 2:00 p.m. Eastern Time, and the source lists bid results for two bidders.

[View original listing](https://procurement.opengov.com/portal/cambridgema/projects/158671)